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<title><![CDATA[EC21 Product Catalogs - hole type]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/hole_type--2644/1/hole type.html]]></link><item>
<title><![CDATA[(Mining,Exploration,Coring,Drilling) Reaming Shells]]></title><link><![CDATA[https://tsdiao.en.ec21.com/Mining_Exploration_Coring_Drilling_Reaming--5500756_5500811.html]]></link><description><![CDATA[hole should be kept not smaller than the diameter of the Bit (Reaming).
It should be used to prevent early wear and tear of the outer diameter of the Bit, and also to prevent vibration and deformatio]]></description><pubDate><![CDATA[20231017]]></pubDate></item>
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<title><![CDATA[direct Supply From Factory Cbn Cutting Tools CNMN120404/120408 for Roller High Quality Cbn Inserts]]></title><link><![CDATA[https://aassddffgghhjjkkll.en.ec21.com/direct_Supply_From_Factory_Cbn--12035213_12035214.html]]></link><description><![CDATA[inserts can be equipped with 90°, 95°tool holders, cylindrical turning tool holders, inner hole turning tool holders, etc. There are three types of L, R, N. Such as CCGNR/L, CCLNR/L.
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<title><![CDATA[Tapered Rod]]></title><link><![CDATA[https://jiuxiao.en.ec21.com/Tapered_Rod--3831461_3831465.html]]></link><description><![CDATA[types. The main products are drifting and tunneling tools, bench drilling tools, hand held pneumatic drilling equipment, Down the Hole Drilling Tools and Drilling Tools for Coal Mining. Our products ]]></description><pubDate><![CDATA[20240911]]></pubDate></item>
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<title><![CDATA[YT24/YT27/YT28/YT29A Handheld Rock Drilling Machine Supplier Jack Hammer On Sale]]></title><link><![CDATA[https://bestone523.en.ec21.com/YT24_YT27_YT28_YT29A_Handheld--11962094_11966986.html]]></link><description><![CDATA[A hand rock drilling machine , also known as a handheld rock drill or portable rock drill, is a tool to create holes in rock surfaces for various purposes. It has a wide applications such as mining, ]]></description><pubDate><![CDATA[20240711]]></pubDate></item>
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<title><![CDATA[Lieyankeji PL1000L Integrated Hydraulic Rock Drill &amp; Splitter]]></title><link><![CDATA[https://rockdrillandspliter.en.ec21.com/Lieyankeji_PL1000L_Integrated_Hydraulic_Rock--11957685_11957691.html]]></link><description><![CDATA[type triangular swing articulation structure, stable and durable structure, can be adapted to various angles of construction, easy to disassemble and easy to transport, back mounted circuit and hydra]]></description><pubDate><![CDATA[20240626]]></pubDate></item>
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<title><![CDATA[11 Degree Shank 22 X 108mm Small Hole Drilling Taper Drill Rod for Jack Hammer]]></title><link><![CDATA[https://ksqdrilling.en.ec21.com/11_Degree_Shank_22_X--11913418_11934902.html]]></link><description><![CDATA[holes of different caliber. The bit can be repaired or replaced after wear, greatly reducing the construction cost.
Brand Name
MIROC
Material
High quality steel
Processing Type
Forging
Application
Mi]]></description><pubDate><![CDATA[20240511]]></pubDate></item>
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<title><![CDATA[HSS Hole Saw Drill Bits Opener for Stainless Steel,Metal Thin Sheet Drilling]]></title><link><![CDATA[https://lixuntools.en.ec21.com/HSS_Hole_Saw_Drill_Bits--11923440_11923442.html]]></link><description><![CDATA[holes through desks, etc,which make the job quick and easy.HSS Drill Bits are suitable for hand held electric drill, stand motor-driven drilling machine and mobile ribbon type magnetism drilling mach]]></description><pubDate><![CDATA[20240411]]></pubDate></item>
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<title><![CDATA[ODEX Casing Drilling System(ODEX90,ODEX115)]]></title><link><![CDATA[https://hncsthzj.en.ec21.com/ODEX_Casing_Drilling_System_ODEX90--4293202_4303576.html]]></link><description><![CDATA[type grouting hole of building, dam and harbour project.
Design Principles
Make the casing follow easy and the equipment and operation simple 
Outstanding Advantages
Simple structure,simple operation]]></description><pubDate><![CDATA[20130115]]></pubDate></item>
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<title><![CDATA[API Standard AISI 4145H Mod Drilling Stabilizer for Oilwell]]></title><link><![CDATA[https://senwell2008.en.ec21.com/API_Standard_AISI_4145H_Mod--9714769_9715051.html]]></link><description><![CDATA[hole wall. The working surface of the blade is hard faced. The hard facing types we can provide are HF1000, HF2000, HF3000, HF4000, HF5000, and HF6000. It is preferred operation that tungsten carbide]]></description><pubDate><![CDATA[20170304]]></pubDate></item>
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<title><![CDATA[MAXDRILL  Top Hammer Tapered Button Bits]]></title><link><![CDATA[https://maxdrill02.en.ec21.com/MAXDRILL_Top_Hammer_Tapered_Button--8458610_8459144.html]]></link><description><![CDATA[Taper button bit is used for hard or very hard rock formation. Excellent quality and durability and Specialized heat treat &amp; stress relief，also Maximum performance and hole cleaning ability. Our bu]]></description><pubDate><![CDATA[20200630]]></pubDate></item>
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<title><![CDATA[Excavator Bucket Wear Parts Wear Buttons for Maintenance]]></title><link><![CDATA[https://saleshystertech.en.ec21.com/Excavator_Bucket_Wear_Parts_Wear--8784720_8823412.html]]></link><description><![CDATA[types of wear.
2. RELIABILITY
Metallurgically bonded to a Tough Ductile Weldable steel plate. Impact will not destroy the integrity of the wear resistant layer..
3. VERSATILITY
Buyers can choose from]]></description><pubDate><![CDATA[20150807]]></pubDate></item>
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<title><![CDATA[API Tricone Drilling Bit for Oilfield]]></title><link><![CDATA[https://fasterdrillingbit.en.ec21.com/API_Tricone_Drilling_Bit_for--10078504_10078505.html]]></link><description><![CDATA[-Product Specification: 
Bearing Type: Sealed Journal 
Sealed Type: Rubber Sealed Bearing/O-ring Sealed Bearing 
Bit IADC: 117,127,137,217,311,317 
Hydraulic Design: 3 Nozzles with Snap Rings 
Pin Co]]></description><pubDate><![CDATA[20160725]]></pubDate></item>
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<title><![CDATA[Tapered Drill Bit]]></title><link><![CDATA[https://smilebaby0114.en.ec21.com/Tapered_Drill_Bit--9337439_9337460.html]]></link><description><![CDATA[Product name
Chisel type bits
tapered Types
Tapered chisel bits/ Tapered cross bits/Tapered button bits
Features
tapered cross bits connect with tapered drill rod for drilling holes
Stale and mature ]]></description><pubDate><![CDATA[20141230]]></pubDate></item>
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<title><![CDATA[Down the Hole Bits, DTH Bits, DTH Drill Bits, DTH Button Bits]]></title><link><![CDATA[https://gzvilong.en.ec21.com/Down_the_Hole_Bits_DTH--10772843_10772872.html]]></link><description><![CDATA[Product description：DTH bit, usually called down the hole bit, a piston of DTH hammer powered by compressed air gives the DTH drill bit striking power to break hard rock into small particles.
In DT]]></description><pubDate><![CDATA[20210520]]></pubDate></item>
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<title><![CDATA[4&apos;&apos;Button Bit From  Factory with Great Price]]></title><link><![CDATA[https://cyndee4125.en.ec21.com/4_Button_Bit_From_Factory--10512257_10512651.html]]></link><description><![CDATA[4&apos;&apos; Button Bit From Factory with Great Price
Dia.: ø108, ø115, ø121, ø127, ø130 mm
Spline: 6, 8,10, 12
Type: DHD340, SD4, Mission40, QL40, Wooke40
Bit Head Design and selection:
1. Flat front Sp]]></description><pubDate><![CDATA[20230810]]></pubDate></item>
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<title><![CDATA[TCI(Tungsten Carbide Insert) Tricone Drill Bit for Hard Rock Formation Blasting Using]]></title><link><![CDATA[https://amyzhang86.en.ec21.com/TCI_Tungsten_Carbide_Insert_Tricone--11743960_11744667.html]]></link><description><![CDATA[hole by compression air. Tricone bits come in several different varieties, and can deal with a wide range of different rock formations. It is important to know the type of formation you are drilling ]]></description><pubDate><![CDATA[20230310]]></pubDate></item>

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